Fix sign compare warning. Patch by Mahesha HS.

llvm-svn: 167282
This commit is contained in:
Chandler Carruth 2012-11-02 05:24:00 +00:00
parent ff421c97e1
commit acc748b2b5
1 changed files with 2 additions and 2 deletions

View File

@ -76,7 +76,7 @@ VectorizationFactor("force-vector-width", cl::init(0), cl::Hidden,
cl::desc("Set the default vectorization width. Zero is autoselect.")); cl::desc("Set the default vectorization width. Zero is autoselect."));
/// We don't vectorize loops with a known constant trip count below this number. /// We don't vectorize loops with a known constant trip count below this number.
const int TinyTripCountThreshold = 16; const unsigned TinyTripCountThreshold = 16;
namespace { namespace {
@ -1161,7 +1161,7 @@ bool LoopVectorizationLegality::canVectorize() {
// Do not loop-vectorize loops with a tiny trip count. // Do not loop-vectorize loops with a tiny trip count.
unsigned TC = SE->getSmallConstantTripCount(TheLoop, BB); unsigned TC = SE->getSmallConstantTripCount(TheLoop, BB);
if (TC > 0 && TC < TinyTripCountThreshold) { if (TC > 0u && TC < TinyTripCountThreshold) {
DEBUG(dbgs() << "LV: Found a loop with a very small trip count. " << DEBUG(dbgs() << "LV: Found a loop with a very small trip count. " <<
"This loop is not worth vectorizing.\n"); "This loop is not worth vectorizing.\n");
return false; return false;